倍数表达法经典总结

倍数表达法一、用times表示倍数（一般限于包括基数在内三倍或三倍以上的数。表示两倍的数，一般用twice）。其句式有：(前三种为主)1.“…times＋形容词/副词的比较级＋than…”例如：This

rope

is

twice

longer

than

that

one．This

hall

is

five

times

bigger

than

our

classroom．2.“…times+as+形容词/副词的原级＋as…”例如：Thisdictionaryisfivetimesasthickastheoneyouborrowedfromthelibrary.这本词典的厚度是你从图书馆借的那本（厚度）的5倍。This

big

stone

is

three

times

as

heavy

as

that

one．这块大石头的重量是那一块的三倍。（这块石头比那块重二倍）

The

plane

flew

ten

times

as

high

as

the

kite．那架飞机飞行高度是那个风筝的十倍。（高出九倍）3.“…times+the+名词（如：size，height，weight，length，width,age等）＋of…”例如：Theearthis49timesthesizeofthemoon.地球的体积是月球的49倍。Thisriveristhreetimesthedepthofthatone.这条河是那条河的三倍深。This

hill

is

four

times

the

height

of

that

small

one．这座山的高度是那座小山的四倍。（比那座小山高三倍）4.“…times+more＋名词＋than…”例如：Heearnsfivetimesmoremoneythanhedidtenyearsago.他现在挣的钱比十年前挣的多5倍。Therearetwicemorestudentsinourclassthanintheirs.我们班的学生人数比他们班多两倍。5.“…times+asmany（或much）＋名词＋as…”例如：We'veproducedtwiceasmuchcottonthisyearas（wedid）tenyearsago.今年我们生产的棉花比十年前多了一倍。（汉语中的多一倍实际上也指两倍一样多。）Hehasgotthreetimesasmanybooksashissister.他拥有的书的数量是他妹妹的3倍。6.“…times+what从句”例如：Thelengthoftheroadisfourtimeswhatitwasthreeyearsago.这条路的长度是三年前的4倍。Thepriceofthemeatistwicewhatitwaslastyear.肉价是去年的两倍。7.

“…times+upon（或over）…”例如：Thesizeofthesunisamilliontimesoverthatoftheearth.太阳的体积比地球的体积大一百万倍。Heisthreetimesuponyourage.他的年龄是你的4倍（或：比你的年龄大3倍）。8.“…+by+…times”例如：Comparedwithlastyear，ourcoaloutputhasincreasedbythreetimes.与去年相比，我们的煤产量增长了3倍。9.“…times+comparedwith＋被比较对象”例如：Thenumberofthestudentsinourschoolhasincreasedfourtimescomparedwith1980.我们学校的学生人数比1980年增加了4倍。10.“…times+thatof+被比较对象”例如：InthisworkshoptheoutputofJulywasthreetimesthatofJanuary.这个车间七月份的产量是元月份的3倍。［倍数巩固练习］1.Americanseat____vegetablesperpersontodayastheydidin1910.A.morethantwiceB.astwiceasmanyC.twiceasmanyasD.morethantwiceasmany2.Paperproducedeveryyearis____theworld'sproductionofvehicles.A.thethreeweightofB.threetimestheweightofC.asthreetimesheavyasD.threetimesasheavieras3.WiththehelpoftheGermanexperts，thefactoryproduced____carsin1993astheyearbefore.A.astwicemanyB.asmanytwiceC.twiceasmanyD.twicemanyas4.Thisshipmeasures____thatone.A.astwiceaslongB.astwicelongasC.twicelongasD.twiceaslongas5.Afterthenewtechniquewasintroduced，thefactoryproduced____tractorsin1988astheyearbefore.A.astwicemanyB.asmanyasC.astwiceasmanyD.twiceasmany6.ItisreportedthattheUnitedStatesuses____energyasthewholeofEurope.A.astwiceB.twicemuchC.twicemuchasD.twiceasmuch7.Thehouserentisexpensive,I’vegotabouthalfthespaceIhadathomeandI’mpaying______here.(上海卷)A.asthreetimesmuch B.asmuchthreetimes C.muchasthreetimes D.threetimesasmuch8.Withthehel